ASME SA-29/SA-29M 15L48 Introduce

The ASME SA-29/SA-29M 15L48 specification is widely used and accepted in the industry. It is also accepted by many government and private organizations. The specification covers a wide range of bars and is suitable for many applications. It is commonly used in the fabrication of pressure vessels and other components that require hot-rolled carbon steel bars.

Smelting temperature:1958°C - 1147°C

Application:General requirements for hot working and cold finishing carbon steel and alloy steel bars

ASME SA-29/SA-29M 15L48 Material Chemical Composition

The chemical composition of the ASME SA-29/SA-29M 15L48 steel are as follows:

ElementMinMax
Sulfur (S)-0.0500
Lead (Pb)0.15000.3500
PhOsphorus (P)-0.0400
Manganese (Mn)1.10001.4000
Copper (Cu)0.2000-
Carbon (C)0.44000.5200
Boron (B)0.00050.0030

ASME SA-29/SA-29M 15L48 Material Mechanical Properties

ASME SA-29/SA-29M 15L48 steel has many desirable mechanical properties, including high strength, good ductility, and excellent impact resistance. The tensile strength of ASME SA-29/SA-29M 15L48 steel is specified as a minimum of 85,000 psi. This is considered a high strength steel, making it a great choice for applications that require parts that are strong and can withstand high levels of stress.

The mechanical properties of the ASME SA-29/SA-29M 15L48 steel are as follows:

YieldRp0.2 ≤ 668 (MPa)
TeileRm≤ 679 (MPa)
ImpactKV/Ku31(J)
ElongationA34%
Reduction in cross section on fractureZ14%
As-Heat-Treated ConditionSolution and Aging, Annealing, Ausaging, Q+T,etc
Brinell hardness (HBW)242

ASME SA-29/SA-29M 15L48 Material Thermal Properties

The thermal performance parameters of the ASME SA-29/SA-29M 15L48 steel are as follows:

Temperature (°C)31282928
Modulus of elasticity (GPa)-344-
Mean coefficient of thermal expaion ×10-6/(°C)--31
Thermal conductivity (W/m·°C)-14.342.2
Specific thermal capacity (J/kg·°C)-424-
Specific electrical resistivity (Ω mm²/m)0.24--
Deity (kg/dm³)--242
Poisson’s coefficient, ν--433

ASME SA-29/SA-29M 15L48 Material Machining Technology

ASME SA-29/SA-29M 15L48 steel is a high-strength, low-alloy steel carburized. It is one of the primary choices when it comes to carburizing steel. The material is composed of a combination of iron, chromium, vanadium, and molybdenum. It is also a low-cost and easily worked material, making it an ideal choice for a variety of applications.